---------------------------------------- > Date: Thu, 18 Apr 2013 10:13:10 -0700 > From: qua...@zimbra.com > To: ctc...@hotmail.com; openldap-technical@openldap.org > Subject: RE: How to improve performance with MDB backend? > > --On Thursday, April 18, 2013 4:57 PM +0000 Chris Card <ctc...@hotmail.com> > wrote: > > > I'm using openldap 2.4.35. > > > > olcDbMaxSize: 429496729600 > > and that's the size of the file on the disk too: > > > > -rw------- 1 ldap ldap 429496729600 Apr 18 16:52 data.mdb > > -rw------- 1 ldap ldap 8192 Apr 18 17:52 lock.mdb > > What's the *actual* size of the mdb db? Remember it is a sparse file. > > <https://wiki.zimbra.com/wiki/OpenLDAP_Performance_Tuning_8.0#Notes_on_MDB> > > I routinely test with DBs in the range of 3 million to 6 million entries, > and it is always substantially faster than bdb/hdb. > du -c -h data.mdb returns 16G
Chris